Convert Kilobecquerels to Curies
Convert Kilobecquerels (kBq) to Curies (Ci) instantly and accurately.
Conversion Formula
Ci = kBq × 2.702702703e-8
About Kilobecquerels
The kilobecquerel (kBq) equals 10³ Bq. Food safety authorities report ¹³⁷Cs contamination in kBq/kg (Codex Alimentarius and EC 733/2008 limits); ¹²⁵I tracers in radioimmunoassay kits are typically 3.7-18.5 kBq per well. 1 kBq = 10³ Bq = 1000 Bq.
About Curies
The curie (Ci) equals exactly 3.7 × 10¹⁰ Bq = 37 GBq, originally defined as the activity of 1 g of ²²⁶Ra. Still widely used in the US: ⁶⁰Co teletherapy sources are 5000-15000 Ci; ¹³⁷Cs blood irradiators are 1000-40000 Ci; NRC source licences for industrial radiography cite Ci limits. 1 Ci = 3.7 × 10¹⁰ Bq.
Quick Reference Table
| Kilobecquerels (kBq) | Curies (Ci) |
|---|---|
| 1 kBq | 2.703 × 10-8 Ci |
| 2 kBq | 5.405 × 10-8 Ci |
| 5 kBq | 1.351 × 10-7 Ci |
| 10 kBq | 2.703 × 10-7 Ci |
| 25 kBq | 6.757 × 10-7 Ci |
| 50 kBq | 1.351 × 10-6 Ci |
| 100 kBq | 2.703 × 10-6 Ci |